Podcast
Questions and Answers
What separates the heart from other structures in the body?
What separates the heart from other structures in the body?
- Pericardium (correct)
- Parietal layer of serous pericardium
- Fibrous pericardium
- Epicardium
Which chamber of the heart receives blood from the body?
Which chamber of the heart receives blood from the body?
- Right ventricle
- Right atrium (correct)
- Left ventricle
- Left atrium
What is the main function of the pulmonary circuit in the body?
What is the main function of the pulmonary circuit in the body?
- Carry oxygenated blood back to the heart
- Carry deoxygenated blood away from the heart
- Send blood with oxygen to the body
- Let blood get oxygen (correct)
Where is the heart located in the body?
Where is the heart located in the body?
Which layer surrounds the heart and is also the outermost layer of the heart?
Which layer surrounds the heart and is also the outermost layer of the heart?
What is the function of arteries in relation to the heart?
What is the function of arteries in relation to the heart?
What does S7 refer to when both S3 and S4 are heard?
What does S7 refer to when both S3 and S4 are heard?
Which factor impacts stroke volume greatly and influences end systolic volume?
Which factor impacts stroke volume greatly and influences end systolic volume?
What is the formula for cardiac output (CO) mentioned in the text?
What is the formula for cardiac output (CO) mentioned in the text?
Which of the following is NOT a factor influencing heart rate according to the text?
Which of the following is NOT a factor influencing heart rate according to the text?
How is ejection fraction (EF) calculated based on the provided information?
How is ejection fraction (EF) calculated based on the provided information?
What is the role of the medulla oblongata in heart rate control according to the text?
What is the role of the medulla oblongata in heart rate control according to the text?
During the isovolumic ventricular relaxation phase, which valves are closed?
During the isovolumic ventricular relaxation phase, which valves are closed?
What is the main function of papillary muscles in the heart?
What is the main function of papillary muscles in the heart?
In the cardiac cycle, what occurs during diastole?
In the cardiac cycle, what occurs during diastole?
Which element is responsible for causing the action potential (electrical current) in the heart?
Which element is responsible for causing the action potential (electrical current) in the heart?
What is the primary function of the SA node in the heart?
What is the primary function of the SA node in the heart?
Which phase of the cardiac cycle involves the closing of semilunar valves and the atrioventricular valves still being closed?
Which phase of the cardiac cycle involves the closing of semilunar valves and the atrioventricular valves still being closed?
What is responsible for the 'Lub' sound heard with a stethoscope during auscultation of the heart?
What is responsible for the 'Lub' sound heard with a stethoscope during auscultation of the heart?
Which phase of the cardiac cycle involves the repolarization of the ventricles?
Which phase of the cardiac cycle involves the repolarization of the ventricles?
What is the function of intercalated discs in cardiac muscle cells?
What is the function of intercalated discs in cardiac muscle cells?
Which chamber of the heart receives blood continuously from the pulmonary circuit?
Which chamber of the heart receives blood continuously from the pulmonary circuit?
